He was originally named as Yong Jae Soon (Hangul: 용재순) but had changed his name during his 6th grade.He was born in Seoul, South Korea on December 19, 1989. He was once a member of the boyband "Xing" along with Kevin from U-KISS and was known as Poppin' Dragon when he was promoting with them. He featured in various singles as a rapper for various artists such as labelmates Hyuna's "Change"and G.NA's "Kkeojyeo Julge Jar Sara" (꺼져 줄게 잘 살아, lit. I'll Back Off So You Can Live Better), Young Jee's "Crazy, that's what love is",Navi's "Go Again" and Wheesung's "Words That Freeze My Heart".
